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Matt J
Matt J, Cadillac Technician
Category: Cadillac
Satisfied Customers: 1399
Experience:  ASE Certified Master Tech,10+ Yrs Experince All Makes,Advance Training On All GM Makes
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I have a 2003 Seville STS with 35,000 miles. Coolant is leaking

Resolved Question:

I have a 2003 Seville STS with 35,000 miles. Coolant is leaking in the water pump area,is it a possible head gasket problem ?
Submitted: 7 years ago.
Category: Cadillac
Expert:  Matt J replied 7 years ago.

Hello my name is XXXXX XXXXX I and will be more than happy to assist you.


Cadillac does have problem with coolant leaks in the water pump area.


The good new is it should not be a head gasket. Most likely it is the Water Pump Cover. GM does have a bulletin out about this. Click on link Below.


I also included the repair procedure so you can see if this is something you may want to do your self.


GM Coolant Leak Service Bulletin


Water Pump Cover Replacement

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